Threat Level: green Handler on Duty: Johannes Ullrich

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Date Author Title

FIREWALL LOGS NETFLOW

2010-03-10Rob VandenBrinkWhat's My Firewall Telling Me? (Part 4)

FIREWALL

2020-09-17/a>Xavier MertensSuspicious Endpoint Containment with OSSEC
2019-11-22/a>Xavier MertensAbusing Web Filters Misconfiguration for Reconnaissance
2019-03-05/a>Rob VandenBrinkPowershell, Active Directory and the Windows Host Firewall
2019-01-22/a>Xavier MertensDNS Firewalling with MISP
2018-12-19/a>Xavier MertensRestricting PowerShell Capabilities with NetSh
2018-09-22/a>Didier StevensSuspicious DNS Requests ... Issued by a Firewall
2017-08-23/a>Xavier MertensMalicious script dropping an executable signed by Avast?
2015-02-23/a>Richard PorterSubscribing to the DShield Top 20 on a Palo Alto Networks Firewall
2013-10-18/a>Rob VandenBrinkCSAM - Why am I seeing DNS Requests to IANA.ORG in my Firewall Logs?
2013-07-27/a>Scott FendleyDefending Against Web Server Denial of Service Attacks
2013-07-20/a>Manuel Humberto Santander PelaezDo you have rogue Internet gateways in your network? Check it with nmap
2013-04-25/a>Adam SwangerGuest Diary: Dylan Johnson - A week in the life of some Perimeter Firewalls
2013-03-13/a>Johannes UllrichIPv6 Focus Month: Kaspersky Firewall IPv6 Vulnerability
2013-03-08/a>Johannes UllrichIPv6 Focus Month: Filtering ICMPv6 at the Border
2013-03-05/a>Mark HofmanIPv6 Focus Month: Device Defaults
2012-05-17/a>Johannes UllrichDo Firewalls make sense?
2012-05-08/a>Bojan ZdrnjaWindows Firewall Bypass Vulnerability and NetBIOS NS
2011-07-15/a>Deborah HaleWhat's in a Firewall?
2010-11-08/a>Manuel Humberto Santander PelaezNetwork Security Perimeter: How to choose the correct firewall and IPS for your environment?
2010-06-14/a>Manuel Humberto Santander PelaezAnother way to get protection for application-level attacks
2010-03-10/a>Rob VandenBrinkWhat's My Firewall Telling Me? (Part 4)
2010-03-05/a>Kyle HaugsnessWhat is your firewall log telling you - responses
2010-03-03/a>Daniel WesemannWhat is your firewall log telling you - Part #2
2010-02-23/a>Mark HofmanWhat is your firewall telling you and what is TCP249?
2009-10-30/a>Rob VandenBrinkNew version of NIST 800-41, Firewalls and Firewall Policy Guidelines
2009-01-12/a>William SaluskyWeb Application Firewalls (WAF) - Have you deployed WAF technology?
2008-11-20/a>Jason LamLarge quantity SQL Injection mitigation

LOGS

2020-07-23/a>Xavier MertensSimple Blocklisting with MISP & pfSense
2020-01-12/a>Guy BruneauELK Dashboard and Logstash parser for tcp-honeypot Logs
2019-12-07/a>Guy BruneauIntegrating Pi-hole Logs in ELK with Logstash
2019-09-17/a>Rob VandenBrinkInvestigating Gaps in your Windows Event Logs
2019-06-06/a>Xavier MertensKeep an Eye on Your WMI Logs
2019-05-19/a>Guy BruneauIs Metadata Only Approach, Good Enough for Network Traffic Analysis?
2018-07-17/a>Xavier MertensSearching for Geographically Improbable Login Attempts
2018-06-21/a>Xavier MertensAre Your Hunting Rules Still Working?
2017-07-09/a>Russ McReeAdversary hunting with SOF-ELK
2016-08-29/a>Russ McReeRecommended Reading: Intrusion Detection Using Indicators of Compromise Based on Best Practices and Windows Event Logs
2016-06-01/a>Xavier MertensDocker Containers Logging
2014-08-15/a>Tom WebbAppLocker Event Logs with OSSEC 2.8
2014-02-14/a>Chris MohanScanning activity for /siemens/bootstrapping/JnlpBrowser/Development/
2014-02-09/a>Basil Alawi S.TaherMandiant Highlighter 2
2014-01-04/a>Tom WebbMonitoring Windows Networks Using Syslog (Part One)
2013-12-03/a>Rob VandenBrinkEven in the Quietest Moments ...
2013-10-10/a>Mark HofmanCSAM Some more unusual scans
2012-12-02/a>Guy BruneauCollecting Logs from Security Devices at Home
2012-07-13/a>Russ McRee2 for 1: SANSFIRE & MSRA presentations
2012-07-11/a>Rick WannerExcellent Security Education Resources
2012-05-02/a>Bojan ZdrnjaMonitoring VMWare logs
2012-04-08/a>Chris MohanBlog Log: More noise or a rich source of intelligence?
2011-11-19/a>Kevin ListonMonitoring your Log Monitoring Process
2011-06-21/a>Chris MohanAustralian government security audit report shows tough love to agencies
2011-06-20/a>Chris MohanLog files - are you reviewing yours?
2011-05-17/a>Johannes UllrichA Couple Days of Logs: Looking for the Russian Business Network
2010-12-24/a>Daniel WesemannA question of class
2010-04-06/a>Daniel WesemannApplication Logs
2010-03-10/a>Rob VandenBrinkWhat's My Firewall Telling Me? (Part 4)
2010-02-23/a>Mark HofmanWhat is your firewall telling you and what is TCP249?
2010-01-29/a>Johannes UllrichAnalyzing isc.sans.org weblogs, part 2, RFI attacks
2010-01-20/a>Johannes UllrichWeathering the Storm Part 1: An analysis of our SANS ISC weblogs http://appsecstreetfighter.com
2009-10-26/a>Johannes UllrichWeb honeypot Update
2009-01-09/a>Johannes UllrichSANS Log Management Survey
2008-08-19/a>Johannes UllrichA morning stroll through my web logs
2008-08-05/a>Daniel WesemannWatching those DNS logs
2006-09-18/a>Jim ClausingLog analysis follow up
2006-09-09/a>Jim ClausingLog Analysis tips?
2006-09-09/a>Jim ClausingA few preliminary log analysis thoughts

NETFLOW

2018-10-10/a>Xavier Mertens"OG" Tools Remain Valuable
2017-09-29/a>Lorna HutchesonGood Analysis = Understanding(tools + logs + normal)
2010-03-10/a>Rob VandenBrinkWhat's My Firewall Telling Me? (Part 4)
2006-10-03/a>Swa FrantzenDetecting attacks against servers